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Code Issues Releases Wiki Activity

Simplify the plain JS store implementation

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Removing indexers and title cache
This commit is contained in:
jeremy@jermolene.com 2023-06-25 17:03:28 +01:00
parent 9427cf7ac6
commit 9ac21f167f
2 changed files with 36 additions and 174 deletions
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105
plugins/tiddlywiki/demo-alternate-store/rawmarkup.js
View File

@ -19,26 +19,15 @@ $tw.Wiki = function(options) {
options = options || {};
var self = this,
tiddlers = Object.create(null), // Hashmap of tiddlers
tiddlerTitles = null, // Array of tiddler titles
getTiddlerTitles = function() {
if(!tiddlerTitles) {
tiddlerTitles = Object.keys(tiddlers).sort(function(a,b) {return a.localeCompare(b);});
}
return tiddlerTitles;
return Object.keys(tiddlers).sort(function(a,b) {return a.localeCompare(b);});
},
pluginTiddlers = [], // Array of tiddlers containing registered plugins, ordered by priority
pluginInfo = Object.create(null), // Hashmap of parsed plugin content
shadowTiddlers = Object.create(null), // Hashmap by title of {source:, tiddler:}
shadowTiddlerTitles = null,
getShadowTiddlerTitles = function() {
if(!shadowTiddlerTitles) {
shadowTiddlerTitles = Object.keys(shadowTiddlers);
}
return shadowTiddlerTitles;
},
enableIndexers = options.enableIndexers || null,
indexers = [],
indexersByName = Object.create(null);
return Object.keys(shadowTiddlers);
};
//$tw.utils replacements
var eachObj = function(object,callback) {
var next,f,length;
@ -94,17 +83,11 @@ $tw.Wiki = function(options) {
};
this.addIndexer = function(indexer,name) {
// Bail if this indexer is not enabled
if(enableIndexers && enableIndexers.indexOf(name) === -1) {
return;
}
indexers.push(indexer);
indexersByName[name] = indexer;
indexer.init();
return;
};
this.getIndexer = function(name) {
return indexersByName[name] || null;
return null;
};
// Add a tiddler to the store
@ -116,32 +99,11 @@ $tw.Wiki = function(options) {
if(tiddler) {
var title = tiddler.fields.title;
if(title) {
// Uncomment the following line for detailed logs of all tiddler writes
// console.log("Adding",title,tiddler)
// Record the old tiddler state
var updateDescriptor = {
old: {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
}
// Save the new tiddler
tiddlers[title] = tiddler;
// Check we've got the title
tiddlerTitles = insertSortedArray(tiddlerTitles || [],title);
// Record the new tiddler state
updateDescriptor["new"] = {
tiddler: tiddler,
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
// Update indexes
// Update caches
this.clearCache(title);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.update(updateDescriptor);
});
// Queue a change event
this.enqueueTiddlerEvent(title);
}
@ -153,35 +115,11 @@ $tw.Wiki = function(options) {
// Uncomment the following line for detailed logs of all tiddler deletions
// console.log("Deleting",title)
if(hop(tiddlers,title)) {
// Record the old tiddler state
var updateDescriptor = {
old: {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
}
// Delete the tiddler
delete tiddlers[title];
// Delete it from the list of titles
if(tiddlerTitles) {
var index = tiddlerTitles.indexOf(title);
if(index !== -1) {
tiddlerTitles.splice(index,1);
}
}
// Record the new tiddler state
updateDescriptor["new"] = {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
// Update indexes
// Update caches
this.clearCache(title);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.update(updateDescriptor);
});
// Queue a change event
this.enqueueTiddlerEvent(title,true);
}
@ -205,7 +143,7 @@ $tw.Wiki = function(options) {
// Get an array of all tiddler titles
this.allTitles = function() {
return getTiddlerTitles().slice(0);
return getTiddlerTitles();
};
// Iterate through all tiddler titles
@ -214,13 +152,13 @@ $tw.Wiki = function(options) {
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
callback(self.getTiddler(title),title);
}
};
// Get an array of all shadow tiddler titles
this.allShadowTitles = function() {
return getShadowTiddlerTitles().slice(0);
return getShadowTiddlerTitles();
};
// Iterate through all shadow tiddler titles
@ -229,8 +167,8 @@ $tw.Wiki = function(options) {
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
if(self.tiddlerExists(title)) {
callback(self.getTiddler(title),title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
@ -244,12 +182,12 @@ $tw.Wiki = function(options) {
titles = getTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
callback(self.getTiddler(title),title);
}
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!tiddlers[title]) {
if(!self.tiddlerExists(title)) {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
@ -262,8 +200,8 @@ $tw.Wiki = function(options) {
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
if(self.tiddlerExists(title)) {
callback(self.getTiddler(title),title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
@ -273,7 +211,7 @@ $tw.Wiki = function(options) {
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!shadowTiddlers[title]) {
callback(tiddlers[title],title);
callback(self.getTiddler(title),title);
}
}
};
@ -312,7 +250,7 @@ $tw.Wiki = function(options) {
deletedPlugins: []
};
eachObj(titles || getTiddlerTitles(),function(title) {
var tiddler = tiddlers[title];
var tiddler = self.getTiddler(title);
if(tiddler) {
if(tiddler.fields.type === "application/json" && tiddler.hasField("plugin-type") && tiddler.fields.text) {
pluginInfo[tiddler.fields.title] = parseJSONSafe(tiddler.fields.text);
@ -412,14 +350,7 @@ $tw.Wiki = function(options) {
shadowTiddlerTitles = null;
this.clearCache(null);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.rebuild();
});
};
if(this.addIndexersToWiki) {
this.addIndexersToWiki();
}
};
})();

105
plugins/tiddlywiki/sqlite3store/sql-wiki-store.js
View File

@ -80,26 +80,15 @@ $tw.Wiki = function(options) {
options = options || {};
var self = this,
tiddlers = Object.create(null), // Hashmap of tiddlers
tiddlerTitles = null, // Array of tiddler titles
getTiddlerTitles = function() {
if(!tiddlerTitles) {
tiddlerTitles = Object.keys(tiddlers).sort(function(a,b) {return a.localeCompare(b);});
}
return tiddlerTitles;
return Object.keys(tiddlers).sort(function(a,b) {return a.localeCompare(b);});
},
pluginTiddlers = [], // Array of tiddlers containing registered plugins, ordered by priority
pluginInfo = Object.create(null), // Hashmap of parsed plugin content
shadowTiddlers = Object.create(null), // Hashmap by title of {source:, tiddler:}
shadowTiddlerTitles = null,
getShadowTiddlerTitles = function() {
if(!shadowTiddlerTitles) {
shadowTiddlerTitles = Object.keys(shadowTiddlers);
}
return shadowTiddlerTitles;
},
enableIndexers = options.enableIndexers || null,
indexers = [],
indexersByName = Object.create(null);
return Object.keys(shadowTiddlers);
};
//$tw.utils replacements
var eachObj = function(object,callback) {
var next,f,length;
@ -155,17 +144,11 @@ $tw.Wiki = function(options) {
};
this.addIndexer = function(indexer,name) {
// Bail if this indexer is not enabled
if(enableIndexers && enableIndexers.indexOf(name) === -1) {
return;
}
indexers.push(indexer);
indexersByName[name] = indexer;
indexer.init();
return;
};
this.getIndexer = function(name) {
return indexersByName[name] || null;
return null;
};
// Add a tiddler to the store
@ -177,32 +160,11 @@ $tw.Wiki = function(options) {
if(tiddler) {
var title = tiddler.fields.title;
if(title) {
// Uncomment the following line for detailed logs of all tiddler writes
// console.log("Adding",title,tiddler)
// Record the old tiddler state
var updateDescriptor = {
old: {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
}
// Save the new tiddler
tiddlers[title] = tiddler;
// Check we've got the title
tiddlerTitles = insertSortedArray(tiddlerTitles || [],title);
// Record the new tiddler state
updateDescriptor["new"] = {
tiddler: tiddler,
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
// Update indexes
// Update caches
this.clearCache(title);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.update(updateDescriptor);
});
// Queue a change event
this.enqueueTiddlerEvent(title);
}
@ -214,35 +176,11 @@ $tw.Wiki = function(options) {
// Uncomment the following line for detailed logs of all tiddler deletions
// console.log("Deleting",title)
if(hop(tiddlers,title)) {
// Record the old tiddler state
var updateDescriptor = {
old: {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
}
// Delete the tiddler
delete tiddlers[title];
// Delete it from the list of titles
if(tiddlerTitles) {
var index = tiddlerTitles.indexOf(title);
if(index !== -1) {
tiddlerTitles.splice(index,1);
}
}
// Record the new tiddler state
updateDescriptor["new"] = {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
// Update indexes
// Update caches
this.clearCache(title);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.update(updateDescriptor);
});
// Queue a change event
this.enqueueTiddlerEvent(title,true);
}
@ -266,7 +204,7 @@ $tw.Wiki = function(options) {
// Get an array of all tiddler titles
this.allTitles = function() {
return getTiddlerTitles().slice(0);
return getTiddlerTitles();
};
// Iterate through all tiddler titles
@ -275,13 +213,13 @@ $tw.Wiki = function(options) {
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
callback(self.getTiddler(title),title);
}
};
// Get an array of all shadow tiddler titles
this.allShadowTitles = function() {
return getShadowTiddlerTitles().slice(0);
return getShadowTiddlerTitles();
};
// Iterate through all shadow tiddler titles
@ -290,8 +228,8 @@ $tw.Wiki = function(options) {
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
if(self.tiddlerExists(title)) {
callback(self.getTiddler(title),title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
@ -305,12 +243,12 @@ $tw.Wiki = function(options) {
titles = getTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
callback(self.getTiddler(title),title);
}
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!tiddlers[title]) {
if(!self.tiddlerExists(title)) {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
@ -323,8 +261,8 @@ $tw.Wiki = function(options) {
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
if(self.tiddlerExists(title)) {
callback(self.getTiddler(title),title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
@ -334,7 +272,7 @@ $tw.Wiki = function(options) {
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!shadowTiddlers[title]) {
callback(tiddlers[title],title);
callback(self.getTiddler(title),title);
}
}
};
@ -373,7 +311,7 @@ $tw.Wiki = function(options) {
deletedPlugins: []
};
eachObj(titles || getTiddlerTitles(),function(title) {
var tiddler = tiddlers[title];
var tiddler = self.getTiddler(title);
if(tiddler) {
if(tiddler.fields.type === "application/json" && tiddler.hasField("plugin-type") && tiddler.fields.text) {
pluginInfo[tiddler.fields.title] = parseJSONSafe(tiddler.fields.text);
@ -473,14 +411,7 @@ $tw.Wiki = function(options) {
shadowTiddlerTitles = null;
this.clearCache(null);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.rebuild();
});
};
if(this.addIndexersToWiki) {
this.addIndexersToWiki();
}
};
})();